<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格标签</title>
</head>
<body>
    <table border="1" width="300px" height="300px" bgcolor="#f00" >
        <tr>
            <th>姓名</th>
            <th>性别</th>
            <th>年龄</th>
        </tr>
        <tr align="center">
            <td>张三</td>
            <td>男</td>
            <td>18</td>
        </tr>

        <tr valign="top">
            <td>李四</td>
            <td>男</td>
            <td>19</td>
        </tr>
        <tr>
            <td>wyf</td>
            <td>女</td>
            <td>28</td>
        </tr>
    </table>
</body>
</html>